2008 MERCEDES-BENZ C300 airbag disable

393 Practical hints
What to do if …?
Display Possible cause/consequencePossible solution
Front Passenger
Airbag Disabled
See Operator’s Manu-
alFront passenger front air bag is
deactivated while driving even
though an adult or someone
larger than a small individual is
occupying the front passenger
seat. Forces acting on the seat
may make the system sense a
decrease in weight.Stop the vehicle in a safe location as soon as possible and check the front
passenger seat for the following:
Switch off the ignition (page 82).
Have the front passenger vacate the seat and exit the vehicle.
Keep the seat unoccupied, close the front passenger door and switch
on the ignition (
page 82).
Monitor the
5/indicator lamp right of the instrument cluster
(
page 45) and the multifunction display in the instrument cluster
(
page 151) for the following:
(Continued on next page)

394 Practical hints
What to do if …?
Display Possible cause/consequencePossible solution
Front Passenger
Airbag Disabled
See Operator’s Manu-
alWith the seat unoccupied and the ignition switched on (page 82),

the 5/indicator lamp right of the instrument cluster should il-
luminate and remain illuminated, indicating that the OCS (
page 41)
has deactivated the air bag.

the message Front Passenger Airbag Enabled See Operator’s Man-
ual
or the message Front Passenger Airbag Disabled See Opera-
tor’s Manual
should not appear in the multifunction display at any time
the seat is unoccupied. Wait at least 60 seconds for the system to com-
plete the necessary check cycles and to make sure neither message ap-
pears in the multifunction display.
If above conditions are met, you can occupy the front passenger seat again.
Depending on the front passenger classification sensed by the OCS
(
page 41), the5/indicator lamp will remain illuminated or go
out.
If above conditions are not met, the system is not working properly. Have
the system checked as soon as possible at an authorized Mercedes-Benz
Center.
Warning!G
If the 5/indicator lamp remains
illuminated with an adult occupant on the
front passenger seat even after performing
the above corrective steps, do not have any
passenger use the front passenger seat until
the system has been repaired.

396 Practical hints
What to do if …?
Display Possible cause/consequencePossible solution
Front Passenger
Airbag Enabled
See Operator’s Manu-
alWith the seat unoccupied and the ignition switched on (page 82),

the 5/indicator lamp right of the instrument cluster should il-
luminate and remain illuminated, indicating that the OCS (
page 41)
has deactivated the air bag.

the message Front Passenger Airbag Enabled See Operator’s Man-
ual
or the message Front Passenger Airbag Disabled See Opera-
tor’s Manual
should not appear in the multifunction display at any time
the seat is unoccupied. Wait at least 60 seconds for the system to com-
plete the necessary check cycles and to make sure neither message ap-
pears in the multifunction display.
If above conditions are met, you can occupy the front passenger seat again.
Depending on the front passenger classification sensed by the OCS
(
page 41), the 5/indicator lamp will remain illuminated or go
out.
If above conditions are not met, the system is not working properly. Have
the system checked as soon as possible at an authorized Mercedes-Benz
Center.
Warning!G
If the 5/indicator lamp remains
illuminated with an adult occupant on the
front passenger seat even after performing
the above corrective steps, do not have any
passenger use the front passenger seat until
the system has been repaired.